“In her richly detailed Enchantress of Numbers, Jennifer Chiaverini presents a vivid portrait of Ada’s too-short life while illuminating the significance of her professional accomplishments…Enchantress of Numbers expertly balances scenes in royal salons and English country houses with Ada’s reflections on the mathematical principles…Chiaverini’s latest will appeal to readers who enjoy 19th-century historical fiction and want a glimpse into the dawn of a technological revolution.”